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This commit is contained in:
Gabriele Cosmo
2016-06-09 15:07:44 +02:00
parent fe73f43734
commit 75c7fd177d
764 changed files with 45230 additions and 95238 deletions
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source/processes/electromagnetic/muons/src/G4MuPairProductionModel.cc
+13 -5
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@@ -23,8 +23,8 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4MuPairProductionModel.cc,v 1.30 2006/06/29 19:49:52 gunter Exp $
// GEANT4 tag $Name: geant4-08-02 $
// $Id: G4MuPairProductionModel.cc,v 1.31 2007/04/24 11:51:52 vnivanch Exp $
// GEANT4 tag $Name: geant4-08-03 $
//
// -------------------------------------------------------------------
//
@@ -57,6 +57,7 @@
// 23-10-05 Add protection in sampling of e+e- pair energy needed for
// low cuts (V.Ivantchenko)
// 13-02-06 add ComputeCrossSectionPerAtom (mma)
// 24-04-07 add protection in SelectAtom method (V.Ivantchenko)
//
// Class Description:
@@ -639,13 +640,20 @@ const G4Element* G4MuPairProductionModel::SelectRandomAtom(
G4double sigtot = InterpolatedIntegralCrossSection(dt,dz,iz,it,nbiny,Z);
G4double sigcut = InterpolatedIntegralCrossSection(dt,dz,iz,it,iy, Z);
sum += (sigtot - sigcut)*theAtomNumDensityVector[i];
G4double dl = (sigtot - sigcut)*theAtomNumDensityVector[i];
// protection
if(dl < 0.0) dl = 0.0;
sum += dl;
partialSum[i] = sum;
}
G4double rval = G4UniformRand()*sum;
for (i=0; i<nElements; i++) {if(rval<=partialSum[i]) break;}
return (*theElementVector)[i];
for (i=0; i<nElements; i++) {
if(rval<=partialSum[i]) return (*theElementVector)[i];
}
return (*theElementVector)[nElements - 1];
}